Install Helm 3 on Linux - Helm 3 Installation Guide for Linux: Step-by-Step Instructions
What is Helm and How to install Helm version 3?
Helm is a package manager for Kubernetes, which is a popular open-source platform for managing containerized applications. Helm helps you manage, deploy, and upgrade applications on a Kubernetes cluster more easily.
Why use Helm?
Helm is a powerful tool in the Kubernetes ecosystem that simplifies application deployment and management. It achieves this through the use of charts, which are packages containing all the necessary files and configurations for an application. By using Helm, you can package your applications once and deploy them consistently across different Kubernetes clusters.
Helm Charts?
Helm Charts are packages that contain all the necessary files, templates, and configurations required to deploy and manage applications on Kubernetes using Helm. A Helm Chart is analogous to a software package or application bundle that includes everything needed to run an application smoothly in a Kubernetes environment.
A Helm Chart consists of the following components:
Chart.yaml: This file contains metadata about the chart, such as its name, version, description, and dependencies.
Templates: These are the Kubernetes manifest files written in YAML or JSON with placeholders for dynamic values. Helm uses these templates to generate the actual Kubernetes resource files during deployment, allowing for customization and flexibility.
Values.yaml: This file contains configurable parameters and default values for the chart. It enables users to provide specific values to override the defaults, allowing for easy customization of deployments.
Chart dependencies: Helm Charts can have dependencies on other Charts. These dependencies can be defined in the Chart.yaml file or specified in a separate requirements.yaml file.
Helm Charts simplify the deployment and management of applications by providing a standardized and reusable way to package and deploy applications on Kubernetes. They enable users to easily deploy complex applications, manage configurations, handle dependencies, and upgrade or rollback deployments when needed.
Helm Kubernetes Integration
Helm integrates with Kubernetes to simplify application deployment and management. It uses charts to package and install applications, manages dependencies, handles versioning and rollbacks, and provides configuration management. Helm's integration with Kubernetes makes it an essential tool for streamlining the deployment process and maintaining consistency in Kubernetes environments.
Helm 3 can be installed in many ways. We will install Helm 3 using the scripts option.
Download Helm Scripts
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
Provide Permission
chmod 700 get_helm.sh
Execute Script to Install
./get_helm.sh
Check Version
helm version
